ghsa-j586-x8f6-9xf2
Vulnerability from github
Published
2022-03-17 00:00
Modified
2022-03-23 00:00
Severity ?
Details
An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
{ "affected": [], "aliases": [ "CVE-2021-20257" ], "database_specific": { "cwe_ids": [ "CWE-835" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2022-03-16T15:15:00Z", "severity": "MODERATE" }, "details": "An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.", "id": "GHSA-j586-x8f6-9xf2", "modified": "2022-03-23T00:00:33Z", "published": "2022-03-17T00:00:43Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20257" }, { "type": "WEB", "url": "https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2021:5238" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2022:0081" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2021-20257" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1930087" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html" }, { "type": "WEB", "url": "https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/202208-27" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20220425-0003" }, { "type": "WEB", "url": "https://www.openwall.com/lists/oss-security/2021/02/25/2" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
Loading...
Loading...
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.